DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Close-up of the face of a patient affected by the Osler-Rendu-Weber syndrome also known as hereditary haemorrhagic telangiectasia. This is an inherited condition in which telangiectases, localised collections of distended blood capillaries, develop on the skin and mucous surfaces. They are 2-3mm in diameter, red in colour and become pale when pressed. Other symptoms include nose bleeding and iron-deficiency anaemia resulting from bleeding in the stomach or elsewhere in the gastrointestinal tract. Death very rarely results from uncontrolled gastrointestinal haemorrhage. Treatment is limited to blood or iron replacement.
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